Home / 286,581.60-395,359.92-178,964.82

Finding the Fourth Proportional to 286,581.60, 395,359.92 and 178,964.82

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Solution

The fourth proportional to 286,581.60, 395,359.92 and 178,964.82 is: 246,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,581.60 : 395,359.92 = 178,964.82 : x
  2. Step 2: Convert to fraction form
    286,581.60/395,359.92 = 178,964.82/x
  3. Step 3: Cross multiply
    286,581.60x = 395,359.92 × 178,964.82
  4. Step 4: Simplify right side
    286,581.60x = 70,755,516,918.01
  5. Step 5: Solve for x
    x = 70,755,516,918.01/286,581.60
  6. Step 6: Final answer
    x = 246,894.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.